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About Spectro Golden Heavy Duty Semi-Syn

Spectro Golden Heavy Duty Semi-Syn

  • Superior engine lubrication formulated for American made Harley-Davidson V-Twins
  • Crafted from superior petroleum stocks and synthetics
  • Added anti-wear additives provide lower consumption
  • Extends engine component life, reduces wear
  • Exceeds OEM Harley- Davidson warranty requirements.

Warning:  California Proposition 65

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